Home / 231,729.40-347,649.60-96,718.40

Finding the Fourth Proportional to 231,729.40, 347,649.60 and 96,718.40

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Solution

The fourth proportional to 231,729.40, 347,649.60 and 96,718.40 is: 145,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,729.40 : 347,649.60 = 96,718.40 : x
  2. Step 2: Convert to fraction form
    231,729.40/347,649.60 = 96,718.40/x
  3. Step 3: Cross multiply
    231,729.40x = 347,649.60 × 96,718.40
  4. Step 4: Simplify right side
    231,729.40x = 33,624,113,072.64
  5. Step 5: Solve for x
    x = 33,624,113,072.64/231,729.40
  6. Step 6: Final answer
    x = 145,100.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.